Western and Ukrainian officials have called the appearance of North Korean forces on the battlefield a major escalation.

Troops from North Korea have joined Russia in their war against Ukraine, and clashed with Ukrainian forces for the first time in Russia’s Kursk region.

Ukraine’s Zelensky implored his Western allies to take action over Russia’s use of North Korean troops in the war.

North Korean troops have entered combat with Ukrainian forces, President Volodymyr Zelensky said, calling the engagement a "new page of instability in the world."

Ukrainian President Volodymyr Zelenskiy said on Tuesday the Ukrainian military's first clashes with North Korean troops had opened the way to more instability in the world. "The first battles with North Korean soldiers have opened a new chapter of instability in the world,

A Kyiv official says North Korean troops recently deployed to help Russia in its war with Ukraine have come under Ukrainian fire